Update opentelemetry-instrumentation-all requirement from >= 0.39.1, …

…< 0.70.0 to >= 0.39.1, < 0.71.0

Updates the requirements on [opentelemetry-instrumentation-all](https://github.com/open-telemetry/opentelemetry-ruby-contrib) to permit the latest version.
- [Release notes](https://github.com/open-telemetry/opentelemetry-ruby-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-ruby-contrib/blob/main/instrumentation/all/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-ruby-contrib@opentelemetry-instrumentation-all/v0.39.1...opentelemetry-instrumentation-all/v0.70.0)

---
updated-dependencies:
- dependency-name: opentelemetry-instrumentation-all
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

govuk_app_config.gemspec

@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "logstasher", "~> 2.1"
   spec.add_dependency "opentelemetry-exporter-otlp", ">= 0.25", "< 0.30"
-  spec.add_dependency "opentelemetry-instrumentation-all", ">= 0.39.1", "< 0.70.0"
+  spec.add_dependency "opentelemetry-instrumentation-all", ">= 0.39.1", "< 0.71.0"
   spec.add_dependency "opentelemetry-sdk", "~> 1.2"
   spec.add_dependency "plek", ">= 4", "< 6"
   spec.add_dependency "prometheus_exporter", "~> 2.0"